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Chapter 4. Troubleshooting
Troubleshooting - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Display problems
When I turn on the
• If the screen is blank, make sure that:
computer, nothing appears
- The AC power adapter is connected to the
on the screen.
computer, and the power cord is plugged into a
working electrical outlet.
- The computer power is on. Press the Power button
again for confirmation.
• If these items are set correctly, and the screen remains
blank, have the computer serviced.
When I turn on the
• Restore backed-up files to your Windows
computer, only a white
environment or the entire contents of your hard disk
cursor appears on a blank
to its original factory contents using the Lenovo
screen.
OneKey Recovery system. If you still see only the
cursor on the screen, have the computer serviced.
The screen goes blank
• Your power management is enabled. Do one of the
while the computer is on.
following to resume from sleep mode:
- Press any key on the keyboard.
- Press the Power button.
- Press the Windows button.
- Press F9 (
) to confirm whether the backlight of
the LCD screen has been turned off.
Sleep problems
The critical low-battery error • The battery power is getting low. Connect the AC
message appears, and the
power adapter to the computer.
computer immediately turns
off.
The computer enters sleep
• Make sure that:
mode immediately after
- The battery is charged.
Power-on.
- The operating temperature is within the acceptable
range. See “Chapter 2. Use and care Information” in
the Lenovo Safety and General Information Guide.
Note: If the battery is charged and the temperature is within range, have the computer
serviced.
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... Questo manuale è adatto anche per i modelli :
Notebook - 500S-14ISK Laptop (ideapad) (1.1 mb)